1990 MITSUBISHI SPYDER Service Repair Manual

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Page 737 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual INTAKE AND EXHAUST Exhaust Pipe and Main
Engine
and Post-installation Operation
139.4
49
6
25
1
443336
33
9.4
16
9.4
--9.4
Main muffler steps
1. Main muffler assembly
2.Gasket3.Muffl

Page 738 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual 15-24INTAKE AND EXHAUST Exhaust Pipe Main
Engine
Pre-removal and Post-installationlUnder Cover Removal and Installation
(Refer to GROUP Cover.)
16
13
13
6
9.4
Main muffler remov

Page 739 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual INTAKE AND EXHAUST Exhaust Pipe . .
Engine>
Post-installation OperationlUnder Cover Removal and Installation
(Refer to GROUP Cover.) ,
3.4
9.4
139.4
9.449N m
36 bs.
-59 Nm
q 2

Page 740 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual INTAKE AND Pipe and Main
Engine (Non-turbo)>
Engine (Turbo) and
REMOVAL SERVICE POINT
HEATED OXYGEN
OXYGEN SENSER <REAR>
For Engine (Non-turbo), ‘the’ exhaust threabs
mu

Page 741 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual CONTENTS
AUTO-CRUISE CONTROL SYSTEM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
AUTO-CRUISE CONTROL* . . . . . . . . . . . . . . 40
GENERAL INFORMATI

CONTENTS
AUTO-CRUISE CONTROL SYSTEM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
AUTO-CRUISE CONTROL* . . . . . . . . . . . . . . 40
GENERAL INFORMATION . . . . . . . . . . . . . . . . 7
ON-VEHICLE SERVICE. . . . . . . . . . . . . . . . . 33
Auto-cruise Control Cable Check and
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33
Auto-cruise Control Component Check . . . . . 37
Auto-cruise Control System Operation Check
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35
SERVICE SPECIFICATIONS . . . . . . . . . . . . . 8
SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . 8
TROUBLESHOOTING
ENGINE (NON-TURBO)> . . . . . . . . . . . 9
TROUBLESHOOTING
(TURBO) AND ENGINE> . . . . .
EMISSION CONTROL’ SYSTEM
. . . . .
CATALYTIC . . . . . . . . . . . . . .
General Information . . . . . . . . . . . . . . . . . . 57
EVAPORATIVE EMISSION .
SYSTEM. . . . . . . . . . . . . . . .
Air Conditioning . . . . . . . . . . . . . . . . . . . 52
Component Location
. . . . . . . . . . . . . . . . . .
Engine Coolant Temperature Sensor
Intake Air Temperature Sensor . . . . . . . . . . . . 52
WARNINGS REGARDING SERVICING OF SUPPLEMENTAL RESTRA INT SYSTEM (SRS) EQUIPPED
WARNING!
(1) Improper serviceor maintenance of any component of the or any SRS-related can to injuryorcleathtoservicepersonnel (from inadvertentfiring the SRS inoperative).
(2) Service or maintenance of any SRS component or SRS-related component must be performed only
MITSUBISHI dealer.
(3) MITSUBISHI dealer personnel must thoroughly rev iew this manual, and especially its GROUP
Restraint System (SRS) and GROUP 00 Maintenance Service, before any service or maintenance of any
componentof the SRS or any SRS-related component.
NOTEJhe includes the following components: warning light, air bag module, clock components (that may have to be removed/installed in connection with or areIndicated in the table of contents by an asterisk

Page 742 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual 17-2
Evaporative Emission Canister/Air Filter/
Evaporative Emission Ventilation Solenoid
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Evaporative Emission

17-2
Evaporative Emission Canister/Air Filter/
Evaporative Emission Ventilation Solenoid
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Evaporative Emission Purge Solenoid
Check. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . .
General Information. . .. . .. . . . . . . . . . . . . . .
Purge Control System Check. . . . . . . . . . . . .
Purge Port Vacuum Check. . . . . . . . . . . . . . . .51
EXHAUST GAS (EGR)
SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Component Location. . . . . . . . . . . . . . . . . . . . .54
EGR Port Vacuum Check. . . . . . . . . . . . . . . . .56
EGR System Check. . . . . . . . . . . . . . . . . . . . . .55
EGR Valve Check. . . . . . . . . . . . . . . . . . . . . . . .55
Electric EGR Transducer Solenoid Check
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
56
General Information. . . . . . . . . . . . . . . . . . . . . .54
GENERAL INFORMATION. . . . . . . . . . . . . . .44
POSITIVE CRANKCASE VENTILATION
SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Component Location. . . . . . . . . . . . . . . . . . . . .48
Crankcase Ventilation System Check. . . . . .49
General Information. . . . . . . . . . . . . . . . . . . . . .48
Positive Crankcase Ventilation Valve
Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
SERVICE SPECIFICATIONS. . . . . . . . . . . . .45
TROUBLESHOOTING’
. . . . . . . . . . . . . . . . . . .45
VACUUM HOSES. . . . . . . . . . . . . . . . . . . . . ..4 8
Vacuum Circuit Diagram. . . . . . . . . . . . . . . . . .47
Vacuum Hose Routing
. . . . . . . . . . . . . . . . . . . .46
CONTROL SYSTEM
ENGINE (TURBO) AND
ENGINE>. . . . . . . . . . . . . . . . . . . . . 6 0
CATALYTIC CONVERTER. . . . . . . . . . . . . . .89
General Information. . . . . . . . . . . . . . . . . . . . . .89
EVAPORATIVE EMISSION CONTROL
SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69’
Air Conditioning Switch
. . . . . . . . . . . . . . . . . . .77
Component Location Engine (Turbo)>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
69
Component Location Engine (Turbo)>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
70
Evaporative Emission Canister/Fuel Tank
Pressure Relief Valve/Purge Control Valve
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Evaporative Emission Purge Solenoid
Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
General Information Engine (Turbo)> G e n e r a l I n f o r m a t i o n
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .70
Purge Control System Check
. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . .71
Purge Control ‘System
(Purge Flow Check) Engine>. . . . . . .73
Purge Control Engine (Turbo)>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Purge Port Vacuum Check. . . . . . . . . . . . . . . .75
Volume Air Flow Sensor, Engine Coolant
Temperature Sensor and Intake Air
Temperature Sensor. . . . . . . . . . . . . . . . . . . . . . .77
RECIRCULATION (EGR)
.... . .. . . . . . . . . . . . . . . . . . . . . . . .81
Component Location. . . . . . . . . . . . . . . . . . . . .82
EGR Port Vacuum Check . . . . . . . . . . . . . . . . .86
EGR Solenoid Check Engine (Turbo)>
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
87
EGR Solenoid Check Engine>. . . . . .
EGR System Check . . . . . . . . . . . . . . . . . .
EGR Valve Check. . . . . . . . . . . . .. . .
General Information... . . . . . . . . . . . . .....81
Vacuum Control Valve Check
. . . . . . . . .
.......................................
POSITIVE CRANKCASE VENTILATION
SYSTEM
. . . . . . . ... . .. . . . . . . . . . . . . . . . . 65
Component Location. . . . . . . . . . . . .. . . . . . . . .66
Crankcase Ventilation. System . .67
General Information
. . . .. . . . . ... . ........
Positive Crankcase Ventilation Valve
Check. . . . . . . . . . . . . . . . . . . . . ... . ............
SERVICE SPECIFICATIONS. .. . . . . . . . . 60
SPECIAL TOOL . . . . . . . . . . . . . . . . . . . . . . .
. . .. .
HOSES
. . . . ..
. . . . . . . . . . . . . . . . . . . . .,
Circuit Diagram.. . . . . . . . . . . . . . . . . . ,
Vacuum Hose Routing. . . . . . . ...... . . . 6 1
ENGINE CONTROL
3
ACCELERATOR
......
GENERAL INFORMATION . . . . . .. . . . . . . . . .3
ON-VEHICLE SERVICE. . . . . . . . . . . .4
Accelerator Cable Check and
Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE SPECIFICATION. . . . . . . . . . . . . . .3
. ... . . . . ...3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
69

Page 743 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE AND EMISSION CONTROL Engine Control System
GENERAL INFORMATION
A c a b l e - t y p e a c c e l e r a t o r m e c h a n i s m a n d asuspended-type pedal have been adopted.

Page 744 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE AND EMISSION CONTROL Engine Control
ADJUSTMENT
For models equipped with the auto-cruise
refer to
1. Turn and lights OFF.
Inspect and adjust”
no load.
2. Warm engine un

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